Oki 4M - Manual (Page 69)

5 - 1
5. PERIODICAL MAINTENANCE
5.1 Periodical Replacement Parts
Table 5-1 lists the part and unit to be replaced periodically.
Table 5-1 Routine Replacement Parts
Toner cartridge
Part Name Replacement Time
Part to be Checked
Simultaneously
Remarks
EP unit
When "Toner Low" is displayed.
When "Change Drum" is displayed.
LED head Consumables
Consumables
Caution: Also reset the drum counter when replacing the EP unit.
5.2 Cleaning
Remove any toner or dirt and clean the circumference and inside of the printer with a waste cloth.
Caution: Do not touch the OPC drum, LED lens array, and connector block of the LED head.
5.2.1 Cleaning the LED Lens Array
When a white belt or a white stripe (void, light printing) occurs in the vertical direction of the print
surface, clean the LED lens array or replace the toner cartridge.
Caution: Be sure to use an LED head cleaner to clean the LED lens array.
White belt or stripe
(void, light printing)
Figure 5-1